Rear bumper for a motor vehicle



FIG. 1 is a perspective view of a rear bumper for a motor vehicle;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right-side view thereof; and,

FIG. 6 is a left-side view thereof.

The interior surface of the rear bumper of a motor vehicle contains no ornamentality and is not part of the claimed design. Accordingly, a rear view is not provided and any illustration of interior surfaces in any of the Figures in hereby disclaimed. 

The ornamental design for a rear bumper for a motor vehicle, as shown and described. 